Across
- 4. this radiation carries positive electric charge
- 6. have high-energy particles and high frequency electromagnetic radiation
- 7. this radiation carries negative electric charge
- 8. results from radioactive decay
- 9. rate of decay of a radioactive isotope
- 10. radiation that originates in earth and space
Down
- 1. has an imbalance of neutrons and protons
- 2. this radiation carries no charge
- 3. decay at a rate characteristic of each isotope; rates are given in half-lives
- 5. high-frequency electromagnetic radiation